Top Systems Administrator Jobs

Provide Tier 2-3 remote and on-site IT support for SMB clients: design, implement, troubleshoot networks, servers, virtualization, security, and user environments; document work and manage tickets.

Provide Tier 2-3 remote and on-site IT systems engineering and escalation support for SMB clients. Design, implement and troubleshoot Windows servers, virtualization, networking, Exchange/SQL/Citrix, and backup/DR. Document tickets, manage projects independently, handle on-call duties, and interact with end users to deliver best-practice IT solutions.

Provide Linux and Windows systems administration for classified DoD programs, implement secure infrastructure (Ansible, LDAP/AD, VMware, storage, backups), collaborate with cybersecurity, troubleshoot complex issues, meet DoD certification and clearance requirements, and support 24x7 operations with occasional travel.

The IT Systems & Network Administrator provides technical support, manages IT infrastructure, and assists with database and cloud services for staff.

Manage and maintain virtualized environments with VMware, ensure data protection with Veeam, and optimize SAN storage for performance.

The Systems Cloud Administrator designs and maintains both on-premise and cloud infrastructures, manages virtualization platforms, supports core services, and ensures system security and compliance.

The Senior IT Systems Administrator oversees the administration, security, and optimization of financial systems, ensuring reliability and compliance while leading system enhancements and integrations.

Lead the installation and administration of Teamcenter and NX for manufacturing, ensure data accuracy from design to production, and provide technical support.

Provide on-site administration of Red Hat Enterprise Linux (RHEL) systems in a secured DoD environment, using virtualization and container technologies (VMware, KVM, Docker, Kubernetes/OpenShift). Collaborate with engineering, networking, storage, and cybersecurity teams to ensure compliance with DoD security frameworks, perform hardening and troubleshooting, and maintain mission systems with occasional off-hours work and up to 10% travel.

Manage and administer Oracle Exadata and engineered systems, lead Exadata patch cycles, implement high-availability architectures (RAC/ASM/Data Guard), optimize performance (Smart Scan, HCC), perform SQL tuning, use OEM for monitoring and patching, support capacity planning, compliance, and on-call production support.

Provide Level 3 implementation and support for enterprise server infrastructure, virtualization, cloud services, monitoring, and security tools. Lead projects (migrations, deployments, POCs), automate provisioning and maintenance, support Office 365/Azure tenants, troubleshoot ERP and CAD license servers, collaborate with service desk, networking, and security teams, and document system processes.

The role involves supporting and maintaining Epic databases, implementing infrastructure, resolving issues, and providing technical guidance in a complex healthcare environment.

Provide support for IT systems, ensuring operational efficiency, troubleshooting, and user assistance while managing configurations and network components.

Lead and perform expert Red Hat Linux systems administration for DoD supercomputing centers. Manage configuration, installation, upgrades, performance tuning, acceptance testing, and compliance. Administer Red Hat Satellite, automate tasks with Ansible, maintain documentation, and provide technical leadership to a team of Linux administrators supporting mission-critical systems.

Lead development, deployment, and support of enrollment-related applications. Perform coding, debugging, testing, integration, troubleshooting, documentation, and lifecycle management. Advise stakeholders on systems, networks, security, and data standards. Mentor staff and collaborate with teams and vendors to improve performance and maintain enterprise services, with a focus on Financial Aid systems.

Provide systems administration and advanced IT support across core infrastructure and Microsoft 365 services. Manage email security (Barracuda), physical security (Verkada), endpoint/device management (Intune), workstations, printers (including Zebra), and troubleshoot hardware, software, and Layer 2 networking issues. Support users, manage mailboxes, groups, licensing, and resolve escalated help-desk tickets. Participate in multi-site support, occasional after-hours work, and occasional travel.

Hands-on senior IT systems administrator responsible for administering Google Workspace and Microsoft 365 environments, endpoint and MDM support across ChromeOS/Windows/macOS, SaaS administration, help desk support, and executing compliance controls (CMMC/NIST800-171/ISO27001/SOC2). Uses AI tools to automate IT workflows, supports engineering teams' toolchains, and assists in audit readiness and evidence collection.

Ensure stability, integrity, and performance of networked systems: deploy and improve applications, integrate and maintain servers, perform backups/audits, support and install surveillance equipment, troubleshoot hardware/software, document systems, train users, coordinate with vendors, and provide on-call/shift coverage.

Maintain, monitor, and optimize in-house servers, networks, applications, and surveillance systems. Deploy and enhance software/OS, perform backups and audits, troubleshoot hardware (PCs, POS, printers) and cameras, manage inventory, document configurations, train users, coordinate with vendors, and support disaster recovery and business continuity. May require extra hours and some travel.

Maintain and secure on-premise and cloud servers and network infrastructure; administer Google Workspace, JAMF, Apple School Manager, and other edu/administrative apps; manage patching, backups, firewalls, and system performance; provide tier-2/3 support for staff and students; ensure K-12 security and data privacy compliance; document systems, assist with onboarding/offboarding, and support instructional technology.

Lead Linux administrator overseeing the implementation and management of Linux systems and satellite infrastructure, enhancing operational efficiency.

As an IT Systems Administrator, you will manage user accounts, maintain software licenses, assist with IT support, and uphold office IT infrastructure.

The IT Systems Administrator supports, secures, and improves cloud and end-user technology using Azure and Microsoft 365. Responsibilities include daily administration, troubleshooting, and production support in both office and manufacturing environments.

Manage and administer finance software applications, ensuring smooth operation, security compliance, and facilitating user support and training for new technologies.

Provide IT systems support including troubleshooting, maintenance, user assistance, and configuration of UNIX and Windows operating systems, with security focus. Requires ten years of systems administration experience and a technical degree.